I have three seven-year-old feijoa trees that were shaded by a large walnut tree. They are quite straggly and have never had more than a couple of flowers. The walnut next door has been trimmed, but what can I now do to ensure some good fruit?
We have lived at our place for about 15 years and our feijoa tree gets tiny little fruit, but they never seem to grow into anything edible. Does it need another feijoa planted with it? What type would be best?